25841340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20509}}^1$

素因数の和:20531

約数の個数: 72

約数和(自身を含む): 89587680

約数和(自身を除く): 63746340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20509, 41018, 61527, 82036, 102545, 123054, 143563, 184581, 205090, 246108, 287126, 307635, 369162, 410180, 430689, 574252, 615270, 717815, 738324, 861378, 922905, 1230540, 1292067, 1435630, 1722756, 1845810, 2153445, 2584134, 2871260, 3691620, 4306890, 5168268, 6460335, 8613780, 12920670, 25841340]

約数ペア:

[(1, 25841340), (2, 12920670), (3, 8613780), (4, 6460335), (5, 5168268), (6, 4306890), (7, 3691620), (9, 2871260), (10, 2584134), (12, 2153445), (14, 1845810), (15, 1722756), (18, 1435630), (20, 1292067), (21, 1230540), (28, 922905), (30, 861378), (35, 738324), (36, 717815), (42, 615270), (45, 574252), (60, 430689), (63, 410180), (70, 369162), (84, 307635), (90, 287126), (105, 246108), (126, 205090), (140, 184581), (180, 143563), (210, 123054), (252, 102545), (315, 82036), (420, 61527), (630, 41018), (1260, 20509)]